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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> *  Copyright 2001-2005 Stephen Colebourne</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> *  Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *  you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> *  You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> *  Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> *  distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> *  See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> *  limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.goda.time.base;
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.goda.time.Chronology;
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.goda.time.DateTime;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.goda.time.DateTimeField;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.goda.time.DateTimeFieldType;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.goda.time.DateTimeUtils;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.goda.time.DurationFieldType;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.goda.time.ReadableInstant;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.goda.time.ReadablePartial;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.goda.time.field.FieldUtils;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.goda.time.format.DateTimeFormatter;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment">/**</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * AbstractPartial provides a standard base implementation of most methods</em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * in the ReadablePartial interface.</em>
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * Calculations on are performed using a {@link Chronology}.</em>
<a name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * This chronology is set to be in the UTC time zone for all calculations.</em>
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * The methods on this class use {@link ReadablePartial#size()},</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * {@link AbstractPartial#getField(int, Chronology)} and</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * {@link ReadablePartial#getValue(int)} to calculate their results.</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * Subclasses may have a better implementation.</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * AbstractPartial allows subclasses may be mutable and not thread-safe.</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> *</em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * @author Stephen Colebourne</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * @since 1.0</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> */</em>
<a name="46" href="#46">46</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/goda/time/base/AbstractPartial.html">AbstractPartial</a>
<a name="47" href="#47">47</a>          implements ReadablePartial, Comparable {
<a name="48" href="#48">48</a>  
<a name="49" href="#49">49</a>      <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="50" href="#50">50</a>      <em class="jxr_javadoccomment">/**</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment">     * Constructor.</em>
<a name="52" href="#52">52</a>  <em class="jxr_javadoccomment">     */</em>
<a name="53" href="#53">53</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../org/goda/time/base/AbstractPartial.html">AbstractPartial</a>() {
<a name="54" href="#54">54</a>          <strong class="jxr_keyword">super</strong>();
<a name="55" href="#55">55</a>      }
<a name="56" href="#56">56</a>  
<a name="57" href="#57">57</a>      <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="58" href="#58">58</a>      <em class="jxr_javadoccomment">/**</em>
<a name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     * Gets the field for a specific index in the chronology specified.</em>
<a name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     * This method must not use any instance variables.</em>
<a name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     * </em>
<a name="63" href="#63">63</a>  <em class="jxr_javadoccomment">     * @param index  the index to retrieve</em>
<a name="64" href="#64">64</a>  <em class="jxr_javadoccomment">     * @param chrono  the chronology to use</em>
<a name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     * @return the field</em>
<a name="66" href="#66">66</a>  <em class="jxr_javadoccomment">     * @throws IndexOutOfBoundsException if the index is invalid</em>
<a name="67" href="#67">67</a>  <em class="jxr_javadoccomment">     */</em>
<a name="68" href="#68">68</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../org/goda/time/DateTimeField.html">DateTimeField</a> getField(<strong class="jxr_keyword">int</strong> index, <a href="../../../../org/goda/time/Chronology.html">Chronology</a> chrono);
<a name="69" href="#69">69</a>  
<a name="70" href="#70">70</a>      <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="71" href="#71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * Gets the field type at the specifed index.</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * </em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * @param index  the index</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     * @return the field type</em>
<a name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     * @throws IndexOutOfBoundsException if the index is invalid</em>
<a name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     */</em>
<a name="78" href="#78">78</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a> getFieldType(<strong class="jxr_keyword">int</strong> index) {
<a name="79" href="#79">79</a>          <strong class="jxr_keyword">return</strong> getField(index, getChronology()).getType();
<a name="80" href="#80">80</a>      }
<a name="81" href="#81">81</a>  
<a name="82" href="#82">82</a>      <em class="jxr_javadoccomment">/**</em>
<a name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     * Gets an array of the field types that this partial supports.</em>
<a name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     * The fields are returned largest to smallest, for example Hour, Minute, Second.</em>
<a name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     *</em>
<a name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     * @return the fields supported in an array that may be altered, largest to smallest</em>
<a name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     */</em>
<a name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a>[] getFieldTypes() {
<a name="90" href="#90">90</a>          <a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a>[] result = <strong class="jxr_keyword">new</strong> <a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a>[size()];
<a name="91" href="#91">91</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.length; i++) {
<a name="92" href="#92">92</a>              result[i] = getFieldType(i);
<a name="93" href="#93">93</a>          }
<a name="94" href="#94">94</a>          <strong class="jxr_keyword">return</strong> result;
<a name="95" href="#95">95</a>      }
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>      <em class="jxr_javadoccomment">/**</em>
<a name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * Gets the field at the specifed index.</em>
<a name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * </em>
<a name="100" href="#100">100</a> <em class="jxr_javadoccomment">     * @param index  the index</em>
<a name="101" href="#101">101</a> <em class="jxr_javadoccomment">     * @return the field</em>
<a name="102" href="#102">102</a> <em class="jxr_javadoccomment">     * @throws IndexOutOfBoundsException if the index is invalid</em>
<a name="103" href="#103">103</a> <em class="jxr_javadoccomment">     */</em>
<a name="104" href="#104">104</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/goda/time/DateTimeField.html">DateTimeField</a> getField(<strong class="jxr_keyword">int</strong> index) {
<a name="105" href="#105">105</a>         <strong class="jxr_keyword">return</strong> getField(index, getChronology());
<a name="106" href="#106">106</a>     }
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a>     <em class="jxr_javadoccomment">/**</em>
<a name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * Gets an array of the fields that this partial supports.</em>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * The fields are returned largest to smallest, for example Hour, Minute, Second.</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">     *</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * @return the fields supported in an array that may be altered, largest to smallest</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment">     */</em>
<a name="115" href="#115">115</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/goda/time/DateTimeField.html">DateTimeField</a>[] getFields() {
<a name="116" href="#116">116</a>         <a href="../../../../org/goda/time/DateTimeField.html">DateTimeField</a>[] result = <strong class="jxr_keyword">new</strong> <a href="../../../../org/goda/time/DateTimeField.html">DateTimeField</a>[size()];
<a name="117" href="#117">117</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.length; i++) {
<a name="118" href="#118">118</a>             result[i] = getField(i);
<a name="119" href="#119">119</a>         }
<a name="120" href="#120">120</a>         <strong class="jxr_keyword">return</strong> result;
<a name="121" href="#121">121</a>     }
<a name="122" href="#122">122</a> 
<a name="123" href="#123">123</a>     <em class="jxr_javadoccomment">/**</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment">     * Gets an array of the value of each of the fields that this partial supports.</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * The fields are returned largest to smallest, for example Hour, Minute, Second.</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">     * Each value corresponds to the same array index as &lt;code&gt;getFields()&lt;/code&gt;</em>
<a name="128" href="#128">128</a> <em class="jxr_javadoccomment">     *</em>
<a name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * @return the current values of each field in an array that may be altered, largest to smallest</em>
<a name="130" href="#130">130</a> <em class="jxr_javadoccomment">     */</em>
<a name="131" href="#131">131</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong>[] getValues() {
<a name="132" href="#132">132</a>         <strong class="jxr_keyword">int</strong>[] result = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[size()];
<a name="133" href="#133">133</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; result.length; i++) {
<a name="134" href="#134">134</a>             result[i] = getValue(i);
<a name="135" href="#135">135</a>         }
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">return</strong> result;
<a name="137" href="#137">137</a>     }
<a name="138" href="#138">138</a> 
<a name="139" href="#139">139</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="140" href="#140">140</a>     <em class="jxr_javadoccomment">/**</em>
<a name="141" href="#141">141</a> <em class="jxr_javadoccomment">     * Get the value of one of the fields of a datetime.</em>
<a name="142" href="#142">142</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * The field specified must be one of those that is supported by the partial.</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment">     *</em>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment">     * @param type  a DateTimeFieldType instance that is supported by this partial</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment">     * @return the value of that field</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the field is null or not supported</em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment">     */</em>
<a name="149" href="#149">149</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> get(<a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a> type) {
<a name="150" href="#150">150</a>         <strong class="jxr_keyword">return</strong> getValue(indexOfSupported(type));
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <em class="jxr_javadoccomment">/**</em>
<a name="154" href="#154">154</a> <em class="jxr_javadoccomment">     * Checks whether the field specified is supported by this partial.</em>
<a name="155" href="#155">155</a> <em class="jxr_javadoccomment">     *</em>
<a name="156" href="#156">156</a> <em class="jxr_javadoccomment">     * @param type  the type to check, may be null which returns false</em>
<a name="157" href="#157">157</a> <em class="jxr_javadoccomment">     * @return true if the field is supported</em>
<a name="158" href="#158">158</a> <em class="jxr_javadoccomment">     */</em>
<a name="159" href="#159">159</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isSupported(<a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a> type) {
<a name="160" href="#160">160</a>         <strong class="jxr_keyword">return</strong> (indexOf(type) != -1);
<a name="161" href="#161">161</a>     }
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>     <em class="jxr_javadoccomment">/**</em>
<a name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * Gets the index of the specified field, or -1 if the field is unsupported.</em>
<a name="165" href="#165">165</a> <em class="jxr_javadoccomment">     *</em>
<a name="166" href="#166">166</a> <em class="jxr_javadoccomment">     * @param type  the type to check, may be null which returns -1</em>
<a name="167" href="#167">167</a> <em class="jxr_javadoccomment">     * @return the index of the field, -1 if unsupported</em>
<a name="168" href="#168">168</a> <em class="jxr_javadoccomment">     */</em>
<a name="169" href="#169">169</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> indexOf(<a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a> type) {
<a name="170" href="#170">170</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="171" href="#171">171</a>             <strong class="jxr_keyword">if</strong> (getFieldType(i) == type) {
<a name="172" href="#172">172</a>                 <strong class="jxr_keyword">return</strong> i;
<a name="173" href="#173">173</a>             }
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a>         <strong class="jxr_keyword">return</strong> -1;
<a name="176" href="#176">176</a>     }
<a name="177" href="#177">177</a> 
<a name="178" href="#178">178</a>     <em class="jxr_javadoccomment">/**</em>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * Gets the index of the specified field, throwing an exception if the</em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment">     * field is unsupported.</em>
<a name="181" href="#181">181</a> <em class="jxr_javadoccomment">     *</em>
<a name="182" href="#182">182</a> <em class="jxr_javadoccomment">     * @param type  the type to check, not null</em>
<a name="183" href="#183">183</a> <em class="jxr_javadoccomment">     * @return the index of the field</em>
<a name="184" href="#184">184</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the field is null or not supported</em>
<a name="185" href="#185">185</a> <em class="jxr_javadoccomment">     */</em>
<a name="186" href="#186">186</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> indexOfSupported(<a href="../../../../org/goda/time/DateTimeFieldType.html">DateTimeFieldType</a> type) {
<a name="187" href="#187">187</a>         <strong class="jxr_keyword">int</strong> index = indexOf(type);
<a name="188" href="#188">188</a>         <strong class="jxr_keyword">if</strong> (index == -1) {
<a name="189" href="#189">189</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Field '"</span> + type + <span class="jxr_string">"' is not supported"</span>);
<a name="190" href="#190">190</a>         }
<a name="191" href="#191">191</a>         <strong class="jxr_keyword">return</strong> index;
<a name="192" href="#192">192</a>     }
<a name="193" href="#193">193</a> 
<a name="194" href="#194">194</a>     <em class="jxr_javadoccomment">/**</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">     * Gets the index of the first fields to have the specified duration,</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment">     * or -1 if the field is unsupported.</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment">     *</em>
<a name="198" href="#198">198</a> <em class="jxr_javadoccomment">     * @param type  the type to check, may be null which returns -1</em>
<a name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * @return the index of the field, -1 if unsupported</em>
<a name="200" href="#200">200</a> <em class="jxr_javadoccomment">     */</em>
<a name="201" href="#201">201</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> indexOf(<a href="../../../../org/goda/time/DurationFieldType.html">DurationFieldType</a> type) {
<a name="202" href="#202">202</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="203" href="#203">203</a>             <strong class="jxr_keyword">if</strong> (getFieldType(i).getDurationType() == type) {
<a name="204" href="#204">204</a>                 <strong class="jxr_keyword">return</strong> i;
<a name="205" href="#205">205</a>             }
<a name="206" href="#206">206</a>         }
<a name="207" href="#207">207</a>         <strong class="jxr_keyword">return</strong> -1;
<a name="208" href="#208">208</a>     }
<a name="209" href="#209">209</a> 
<a name="210" href="#210">210</a>     <em class="jxr_javadoccomment">/**</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * Gets the index of the first fields to have the specified duration,</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * throwing an exception if the field is unsupported.</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment">     *</em>
<a name="214" href="#214">214</a> <em class="jxr_javadoccomment">     * @param type  the type to check, not null</em>
<a name="215" href="#215">215</a> <em class="jxr_javadoccomment">     * @return the index of the field</em>
<a name="216" href="#216">216</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the field is null or not supported</em>
<a name="217" href="#217">217</a> <em class="jxr_javadoccomment">     */</em>
<a name="218" href="#218">218</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> indexOfSupported(<a href="../../../../org/goda/time/DurationFieldType.html">DurationFieldType</a> type) {
<a name="219" href="#219">219</a>         <strong class="jxr_keyword">int</strong> index = indexOf(type);
<a name="220" href="#220">220</a>         <strong class="jxr_keyword">if</strong> (index == -1) {
<a name="221" href="#221">221</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Field '"</span> + type + <span class="jxr_string">"' is not supported"</span>);
<a name="222" href="#222">222</a>         }
<a name="223" href="#223">223</a>         <strong class="jxr_keyword">return</strong> index;
<a name="224" href="#224">224</a>     }
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="227" href="#227">227</a>     <em class="jxr_javadoccomment">/**</em>
<a name="228" href="#228">228</a> <em class="jxr_javadoccomment">     * Resolves this partial against another complete instant to create a new</em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * full instant. The combination is performed using the chronology of the</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">     * specified instant.</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">     * For example, if this partial represents a time, then the result of this</em>
<a name="233" href="#233">233</a> <em class="jxr_javadoccomment">     * method will be the datetime from the specified base instant plus the</em>
<a name="234" href="#234">234</a> <em class="jxr_javadoccomment">     * time from this partial.</em>
<a name="235" href="#235">235</a> <em class="jxr_javadoccomment">     *</em>
<a name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * @param baseInstant  the instant that provides the missing fields, null means now</em>
<a name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * @return the combined datetime</em>
<a name="238" href="#238">238</a> <em class="jxr_javadoccomment">     */</em>
<a name="239" href="#239">239</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/goda/time/DateTime.html">DateTime</a> toDateTime(<a href="../../../../org/goda/time/ReadableInstant.html">ReadableInstant</a> baseInstant) {
<a name="240" href="#240">240</a>         <a href="../../../../org/goda/time/Chronology.html">Chronology</a> chrono = DateTimeUtils.getInstantChronology(baseInstant);
<a name="241" href="#241">241</a>         <strong class="jxr_keyword">long</strong> instantMillis = DateTimeUtils.getInstantMillis(baseInstant);
<a name="242" href="#242">242</a>         <strong class="jxr_keyword">long</strong> resolved = chrono.set(<strong class="jxr_keyword">this</strong>, instantMillis);
<a name="243" href="#243">243</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/goda/time/DateTime.html">DateTime</a>(resolved, chrono);
<a name="244" href="#244">244</a>     }
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="247" href="#247">247</a>     <em class="jxr_javadoccomment">/**</em>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment">     * Compares this ReadablePartial with another returning true if the chronology,</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * field types and values are equal.</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment">     *</em>
<a name="251" href="#251">251</a> <em class="jxr_javadoccomment">     * @param partial  an object to check against</em>
<a name="252" href="#252">252</a> <em class="jxr_javadoccomment">     * @return true if fields and values are equal</em>
<a name="253" href="#253">253</a> <em class="jxr_javadoccomment">     */</em>
<a name="254" href="#254">254</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object partial) {
<a name="255" href="#255">255</a>         <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong> == partial) {
<a name="256" href="#256">256</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="257" href="#257">257</a>         }
<a name="258" href="#258">258</a>         <strong class="jxr_keyword">if</strong> (partial instanceof ReadablePartial == false) {
<a name="259" href="#259">259</a>             <strong class="jxr_keyword">return</strong> false;
<a name="260" href="#260">260</a>         }
<a name="261" href="#261">261</a>         <a href="../../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> other = (ReadablePartial) partial;
<a name="262" href="#262">262</a>         <strong class="jxr_keyword">if</strong> (size() != other.size()) {
<a name="263" href="#263">263</a>             <strong class="jxr_keyword">return</strong> false;
<a name="264" href="#264">264</a>         }
<a name="265" href="#265">265</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="266" href="#266">266</a>             <strong class="jxr_keyword">if</strong> (getValue(i) != other.getValue(i) || getFieldType(i) != other.getFieldType(i)) {
<a name="267" href="#267">267</a>                 <strong class="jxr_keyword">return</strong> false;
<a name="268" href="#268">268</a>             }
<a name="269" href="#269">269</a>         }
<a name="270" href="#270">270</a>         <strong class="jxr_keyword">return</strong> FieldUtils.equals(getChronology(), other.getChronology());
<a name="271" href="#271">271</a>     }
<a name="272" href="#272">272</a> 
<a name="273" href="#273">273</a>     <em class="jxr_javadoccomment">/**</em>
<a name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * Gets a hash code for the ReadablePartial that is compatible with the </em>
<a name="275" href="#275">275</a> <em class="jxr_javadoccomment">     * equals method.</em>
<a name="276" href="#276">276</a> <em class="jxr_javadoccomment">     *</em>
<a name="277" href="#277">277</a> <em class="jxr_javadoccomment">     * @return a suitable hash code</em>
<a name="278" href="#278">278</a> <em class="jxr_javadoccomment">     */</em>
<a name="279" href="#279">279</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() {
<a name="280" href="#280">280</a>         <strong class="jxr_keyword">int</strong> total = 157;
<a name="281" href="#281">281</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="282" href="#282">282</a>             total = 23 * total + getValue(i);
<a name="283" href="#283">283</a>             total = 23 * total + getFieldType(i).hashCode();
<a name="284" href="#284">284</a>         }
<a name="285" href="#285">285</a>         total += getChronology().hashCode();
<a name="286" href="#286">286</a>         <strong class="jxr_keyword">return</strong> total;
<a name="287" href="#287">287</a>     }
<a name="288" href="#288">288</a> 
<a name="289" href="#289">289</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="290" href="#290">290</a>     <em class="jxr_javadoccomment">/**</em>
<a name="291" href="#291">291</a> <em class="jxr_javadoccomment">     * Compares this partial with another returning an integer</em>
<a name="292" href="#292">292</a> <em class="jxr_javadoccomment">     * indicating the order.</em>
<a name="293" href="#293">293</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="294" href="#294">294</a> <em class="jxr_javadoccomment">     * The fields are compared in order, from largest to smallest.</em>
<a name="295" href="#295">295</a> <em class="jxr_javadoccomment">     * The first field that is non-equal is used to determine the result.</em>
<a name="296" href="#296">296</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="297" href="#297">297</a> <em class="jxr_javadoccomment">     * The specified object must be a partial instance whose field types</em>
<a name="298" href="#298">298</a> <em class="jxr_javadoccomment">     * match those of this partial.</em>
<a name="299" href="#299">299</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="300" href="#300">300</a> <em class="jxr_javadoccomment">     * NOTE: This implementation violates the Comparable contract.</em>
<a name="301" href="#301">301</a> <em class="jxr_javadoccomment">     * This method will accept any instance of ReadablePartial as input.</em>
<a name="302" href="#302">302</a> <em class="jxr_javadoccomment">     * However, it is possible that some implementations of ReadablePartial</em>
<a name="303" href="#303">303</a> <em class="jxr_javadoccomment">     * exist that do not extend AbstractPartial, and thus will throw a</em>
<a name="304" href="#304">304</a> <em class="jxr_javadoccomment">     * ClassCastException if compared in the opposite direction.</em>
<a name="305" href="#305">305</a> <em class="jxr_javadoccomment">     * The cause of this problem is that ReadablePartial doesn't define</em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">     * the compareTo() method, however we can't change that until v2.0.</em>
<a name="307" href="#307">307</a> <em class="jxr_javadoccomment">     *</em>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment">     * @param partial  an object to check against</em>
<a name="309" href="#309">309</a> <em class="jxr_javadoccomment">     * @return negative if this is less, zero if equal, positive if greater</em>
<a name="310" href="#310">310</a> <em class="jxr_javadoccomment">     * @throws ClassCastException if the partial is the wrong class</em>
<a name="311" href="#311">311</a> <em class="jxr_javadoccomment">     *  or if it has field types that don't match</em>
<a name="312" href="#312">312</a> <em class="jxr_javadoccomment">     * @throws NullPointerException if the partial is null</em>
<a name="313" href="#313">313</a> <em class="jxr_javadoccomment">     * @since 1.1</em>
<a name="314" href="#314">314</a> <em class="jxr_javadoccomment">     */</em>
<a name="315" href="#315">315</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compareTo(Object partial) {
<a name="316" href="#316">316</a>         <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong> == partial) {
<a name="317" href="#317">317</a>             <strong class="jxr_keyword">return</strong> 0;
<a name="318" href="#318">318</a>         }
<a name="319" href="#319">319</a>         <a href="../../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> other = (ReadablePartial) partial;
<a name="320" href="#320">320</a>         <strong class="jxr_keyword">if</strong> (size() != other.size()) {
<a name="321" href="#321">321</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClassCastException(<span class="jxr_string">"ReadablePartial objects must have matching field types"</span>);
<a name="322" href="#322">322</a>         }
<a name="323" href="#323">323</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="324" href="#324">324</a>             <strong class="jxr_keyword">if</strong> (getFieldType(i) != other.getFieldType(i)) {
<a name="325" href="#325">325</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClassCastException(<span class="jxr_string">"ReadablePartial objects must have matching field types"</span>);
<a name="326" href="#326">326</a>             }
<a name="327" href="#327">327</a>         }
<a name="328" href="#328">328</a>         <em class="jxr_comment">// fields are ordered largest first</em>
<a name="329" href="#329">329</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, isize = size(); i &lt; isize; i++) {
<a name="330" href="#330">330</a>             <strong class="jxr_keyword">if</strong> (getValue(i) &gt; other.getValue(i)) {
<a name="331" href="#331">331</a>                 <strong class="jxr_keyword">return</strong> 1;
<a name="332" href="#332">332</a>             }
<a name="333" href="#333">333</a>             <strong class="jxr_keyword">if</strong> (getValue(i) &lt; other.getValue(i)) {
<a name="334" href="#334">334</a>                 <strong class="jxr_keyword">return</strong> -1;
<a name="335" href="#335">335</a>             }
<a name="336" href="#336">336</a>         }
<a name="337" href="#337">337</a>         <strong class="jxr_keyword">return</strong> 0;
<a name="338" href="#338">338</a>     }
<a name="339" href="#339">339</a> 
<a name="340" href="#340">340</a>     <em class="jxr_javadoccomment">/**</em>
<a name="341" href="#341">341</a> <em class="jxr_javadoccomment">     * Is this partial later than the specified partial.</em>
<a name="342" href="#342">342</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="343" href="#343">343</a> <em class="jxr_javadoccomment">     * The fields are compared in order, from largest to smallest.</em>
<a name="344" href="#344">344</a> <em class="jxr_javadoccomment">     * The first field that is non-equal is used to determine the result.</em>
<a name="345" href="#345">345</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="346" href="#346">346</a> <em class="jxr_javadoccomment">     * You may not pass null into this method. This is because you need</em>
<a name="347" href="#347">347</a> <em class="jxr_javadoccomment">     * a time zone to accurately determine the current date.</em>
<a name="348" href="#348">348</a> <em class="jxr_javadoccomment">     *</em>
<a name="349" href="#349">349</a> <em class="jxr_javadoccomment">     * @param partial  a partial to check against, must not be null</em>
<a name="350" href="#350">350</a> <em class="jxr_javadoccomment">     * @return true if this date is after the date passed in</em>
<a name="351" href="#351">351</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the specified partial is null</em>
<a name="352" href="#352">352</a> <em class="jxr_javadoccomment">     * @throws ClassCastException if the partial has field types that don't match</em>
<a name="353" href="#353">353</a> <em class="jxr_javadoccomment">     * @since 1.1</em>
<a name="354" href="#354">354</a> <em class="jxr_javadoccomment">     */</em>
<a name="355" href="#355">355</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isAfter(<a href="../../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> partial) {
<a name="356" href="#356">356</a>         <strong class="jxr_keyword">if</strong> (partial == <strong class="jxr_keyword">null</strong>) {
<a name="357" href="#357">357</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Partial cannot be null"</span>);
<a name="358" href="#358">358</a>         }
<a name="359" href="#359">359</a>         <strong class="jxr_keyword">return</strong> compareTo(partial) &gt; 0;
<a name="360" href="#360">360</a>     }
<a name="361" href="#361">361</a> 
<a name="362" href="#362">362</a>     <em class="jxr_javadoccomment">/**</em>
<a name="363" href="#363">363</a> <em class="jxr_javadoccomment">     * Is this partial earlier than the specified partial.</em>
<a name="364" href="#364">364</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="365" href="#365">365</a> <em class="jxr_javadoccomment">     * The fields are compared in order, from largest to smallest.</em>
<a name="366" href="#366">366</a> <em class="jxr_javadoccomment">     * The first field that is non-equal is used to determine the result.</em>
<a name="367" href="#367">367</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="368" href="#368">368</a> <em class="jxr_javadoccomment">     * You may not pass null into this method. This is because you need</em>
<a name="369" href="#369">369</a> <em class="jxr_javadoccomment">     * a time zone to accurately determine the current date.</em>
<a name="370" href="#370">370</a> <em class="jxr_javadoccomment">     *</em>
<a name="371" href="#371">371</a> <em class="jxr_javadoccomment">     * @param partial  a partial to check against, must not be null</em>
<a name="372" href="#372">372</a> <em class="jxr_javadoccomment">     * @return true if this date is before the date passed in</em>
<a name="373" href="#373">373</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the specified partial is null</em>
<a name="374" href="#374">374</a> <em class="jxr_javadoccomment">     * @throws ClassCastException if the partial has field types that don't match</em>
<a name="375" href="#375">375</a> <em class="jxr_javadoccomment">     * @since 1.1</em>
<a name="376" href="#376">376</a> <em class="jxr_javadoccomment">     */</em>
<a name="377" href="#377">377</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isBefore(<a href="../../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> partial) {
<a name="378" href="#378">378</a>         <strong class="jxr_keyword">if</strong> (partial == <strong class="jxr_keyword">null</strong>) {
<a name="379" href="#379">379</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Partial cannot be null"</span>);
<a name="380" href="#380">380</a>         }
<a name="381" href="#381">381</a>         <strong class="jxr_keyword">return</strong> compareTo(partial) &lt; 0;
<a name="382" href="#382">382</a>     }
<a name="383" href="#383">383</a> 
<a name="384" href="#384">384</a>     <em class="jxr_javadoccomment">/**</em>
<a name="385" href="#385">385</a> <em class="jxr_javadoccomment">     * Is this partial the same as the specified partial.</em>
<a name="386" href="#386">386</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="387" href="#387">387</a> <em class="jxr_javadoccomment">     * The fields are compared in order, from largest to smallest.</em>
<a name="388" href="#388">388</a> <em class="jxr_javadoccomment">     * If all fields are equal, the result is true.</em>
<a name="389" href="#389">389</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="390" href="#390">390</a> <em class="jxr_javadoccomment">     * You may not pass null into this method. This is because you need</em>
<a name="391" href="#391">391</a> <em class="jxr_javadoccomment">     * a time zone to accurately determine the current date.</em>
<a name="392" href="#392">392</a> <em class="jxr_javadoccomment">     *</em>
<a name="393" href="#393">393</a> <em class="jxr_javadoccomment">     * @param partial  a partial to check against, must not be null</em>
<a name="394" href="#394">394</a> <em class="jxr_javadoccomment">     * @return true if this date is the same as the date passed in</em>
<a name="395" href="#395">395</a> <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if the specified partial is null</em>
<a name="396" href="#396">396</a> <em class="jxr_javadoccomment">     * @throws ClassCastException if the partial has field types that don't match</em>
<a name="397" href="#397">397</a> <em class="jxr_javadoccomment">     * @since 1.1</em>
<a name="398" href="#398">398</a> <em class="jxr_javadoccomment">     */</em>
<a name="399" href="#399">399</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isEqual(<a href="../../../../org/goda/time/ReadablePartial.html">ReadablePartial</a> partial) {
<a name="400" href="#400">400</a>         <strong class="jxr_keyword">if</strong> (partial == <strong class="jxr_keyword">null</strong>) {
<a name="401" href="#401">401</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Partial cannot be null"</span>);
<a name="402" href="#402">402</a>         }
<a name="403" href="#403">403</a>         <strong class="jxr_keyword">return</strong> compareTo(partial) == 0;
<a name="404" href="#404">404</a>     }
<a name="405" href="#405">405</a> 
<a name="406" href="#406">406</a>     <em class="jxr_comment">//-----------------------------------------------------------------------</em>
<a name="407" href="#407">407</a>     <em class="jxr_javadoccomment">/**</em>
<a name="408" href="#408">408</a> <em class="jxr_javadoccomment">     * Uses the specified formatter to convert this partial to a String.</em>
<a name="409" href="#409">409</a> <em class="jxr_javadoccomment">     *</em>
<a name="410" href="#410">410</a> <em class="jxr_javadoccomment">     * @param formatter  the formatter to use, null means use &lt;code&gt;toString()&lt;/code&gt;.</em>
<a name="411" href="#411">411</a> <em class="jxr_javadoccomment">     * @return the formatted string</em>
<a name="412" href="#412">412</a> <em class="jxr_javadoccomment">     * @since 1.1</em>
<a name="413" href="#413">413</a> <em class="jxr_javadoccomment">     */</em>
<a name="414" href="#414">414</a>     <strong class="jxr_keyword">public</strong> String toString(<a href="../../../../org/goda/time/format/DateTimeFormatter.html">DateTimeFormatter</a> formatter) {
<a name="415" href="#415">415</a>         <strong class="jxr_keyword">if</strong> (formatter == <strong class="jxr_keyword">null</strong>) {
<a name="416" href="#416">416</a>             <strong class="jxr_keyword">return</strong> toString();
<a name="417" href="#417">417</a>         }
<a name="418" href="#418">418</a>         <strong class="jxr_keyword">return</strong> formatter.print(<strong class="jxr_keyword">this</strong>);
<a name="419" href="#419">419</a>     }
<a name="420" href="#420">420</a> 
<a name="421" href="#421">421</a> }
</pre>
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